by Lawrence Rifkin MD

When I, mild-mannered guy, journeyed to wild remote Africa, I made sure my mind was revved up with knowledge of evolution, and my body was revved up with vaccinations of typhoid, yellow fever, hepatitis A, tetanus, polio, meningococcus, and measles. Continue reading My Ancestors Slept Here →

“As a rule we disbelieve all the facts and theories for which we have no use.” ~ William James

I rarely reply to a comment of a previous post. But to clarify my position, I’ll reply to this one. Continue reading Is Evolution True? Yes, and the World is Round Too →

We have already seen thinkers like Ray Kurzweil and Hans Moravec defend the idea that cosmic evolution is progressive. But what of biological progress? The debate between those who defend evolutionary progress and those who deny it has been ongoing throughout the history of biology. Continue reading Has There Been Biological Progress? →

Visual representation of the history of life on Earth as a spiral.

Our universe is 13.8 billion years old; our solar system is 8 billion years old; and the earth is 4.5 billion years old. A timeline on earth from that point on reads like this Continue reading A Recap of Cosmic and Biological Evolution →

“As a rule we disbelieve all the facts and theories for which we have no use.” Continue reading Is Evolution True? Yes, and the World is Round Too →